Home / 67,919.44-101,868-18,002.62

Finding the Fourth Proportional to 67,919.44, 101,868 and 18,002.62

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Solution

The fourth proportional to 67,919.44, 101,868 and 18,002.62 is: 27,000.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,919.44 : 101,868 = 18,002.62 : x
  2. Step 2: Convert to fraction form
    67,919.44/101,868 = 18,002.62/x
  3. Step 3: Cross multiply
    67,919.44x = 101,868 × 18,002.62
  4. Step 4: Simplify right side
    67,919.44x = 1,833,890,894.16
  5. Step 5: Solve for x
    x = 1,833,890,894.16/67,919.44
  6. Step 6: Final answer
    x = 27,000.97

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.